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For one, there is the shark, (which I may be mistaken) of which has no actual scales. There is also I believe the manta ray, and whales. But I think that whales may be more mammal than fish. (Do correct me if I am wrong.)
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Are sardines scaleless fish?
Sardines are not scaleless fish. They have scales.
What are scaleless fish?
Catfish, eels, sharks.
Are mackerals scaleless fish?
mackerals have scales
Are algae eaters scaleless fish?
It depends on what you are calling an "algae eater." A pleco is considered a scaleless fish. A Siamese or Chinese algae eater does have scales.
Does a puffer fish have scales like some other fish?
No,Puffer Fish are scaleless fish.
Are there scaleless fish?
yes some of them include bowhead and catfish. There is also some half scaled fish like the leather carp.
Is tuna a scaleless fish?
No, all current varieties of Tilapia have scales.
What do you call an animal that has a moist scale?
Fish are animals that have moist scales. This is due to a layer of mucus coating the scales. However, a minority of fish don't have any scales at all. Catfish and eels are examples of scaleless fish.
Why is mackrel kosher being scaleless?
Mackerel meets the halachic (Jewish law) requirements for being a kosher fish because it actually does have both fins and scales - when the fish is netted, it sheds its scales. It is, therefore, a kosher fish.
Are there scaleless reptiles?
yes
I have got a loach that has white lumps on it what will happen?
The white lumps are what is commonly known as ick. Loaches are prone to it as are most other scaleless fish. If your tank and the other fish are healthy they should not be affected by it, if not, your whole tank could be wiped out by this disease. I recommend buying something like nox-ick, just be carefull, you want to do a half dose for scaleless fish. Ick is probably the most common fish disease and the easiest to cure, but it can have devistateing effects on tank if it isn't treated at an early stage.
Can fresh water fish survive in little salt water?
Some aquarium salt is good for fish, the recommended amount is 1 tablespoon for every 5 gallons, however some aquatic plants and scaleless fish are very sensitive to salt and it will kill them. Cory Catfish are one of those fish.
